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After years of study by multiple helicopter manufacturers, in cooperation with the Forest Service, the first opening of timber for sale cut exclusively helicopter logging in April of 1971 on the Plumas National Forest in California. [3] Helicopter logging in the United States started in late 1971.
Tree harvester doing cut-to-length logging (Click for video) ForwarderCut-to-length logging (CTL) is a mechanized harvesting system in which trees are delimbed and cut to length directly at the stump. [1]
A forest can be cruised to visually assess timber and determine potential fire hazards and the risk of fire. [3] The results of this type of inventory can be used in preventive actions and also awareness. Wildlife surveys can be undertaken in conjunction with timber inventory to determine the number and type of wildlife within a forest.
Finally, it may cause forest to become unsafe due to an excessive amount of unmanaged trees at risk falling in a storm. [1] High grading can also be a form of fraud on the owner of the trees. Indeed, stumpage rates (the amount paid per a certain volume of wood) are based on the average quality of the wood.
The Ponsse company was established by the forest machine entrepreneur Einari Vidgrén in 1970. Today, Ponsse's machines are used at logging sites in approximately 40 countries, and 80 per cent of the company's net sales come from exports. [3] [page needed] All machines are manufactured in the company's birthplace in Vieremä. Ponsse Group ...
It’s been nearly 20 years since Jessica O’Grady was last seen or heard from, but authorities say in a new interview with PEOPLE they're still determined to keep looking for the aspiring ...
A yarder is piece of logging equipment that uses a system of cables to pull or fly logs from the stump to a collection point. [1] It generally consists of an engine, drums, and spar, but has a range of configurations and variations, such as the swing yarder.
Decreased CEO pay by an average of ; $5,673,630; between 2008 and 2012, only 14% of directors decreased pay more
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